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Measurement E151M64

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0101 GeV2
W : 1295 GeV
ε : 0.8705
Ebeam : 1.0539 GeV
εL: 0.0476 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Data errors Systematic errors
0.35 42 1.1816 0.7959 0.1377
0.35 54 0.0845 0.5644 0.0315
0.45 54 0.91 0.827 0.1078
0.55 42 -0.2347 0.6381 0.0402
0.55 222 0.0452 0.6747 0.0304
0.55 234 0.0088 0.5134 0.03
0.55 246 -0.2231 0.4557 0.0393
0.55 258 0.7244 0.517 0.0877
0.55 270 -0.2852 0.5482 0.0442
0.65 138 0.9398 0.6781 0.111
0.65 150 0.6847 0.7258 0.0835
0.65 162 0.5754 0.7002 0.072
0.65 174 0.1543 0.6512 0.0348
0.65 186 -0.5488 0.6521 0.0693
0.65 222 -0.7045 0.4514 0.0856
0.65 234 -0.304 0.3633 0.0458
0.65 246 -0.196 0.3397 0.0374
0.65 258 -0.3596 0.3653 0.0507
0.65 270 0.2458 0.5761 0.041
0.75 138 0.0112 0.7375 0.03
0.75 150 -0.9311 0.4816 0.1101
0.75 162 0.6478 0.5693 0.0796
0.75 174 0.3005 0.5961 0.0455
0.75 198 0.3237 0.7263 0.0475
0.75 222 0.2843 0.5659 0.0441
0.75 234 0.6198 0.3973 0.0766
0.75 246 -0.2552 0.3241 0.0417
0.75 258 -0.0448 0.413 0.0304
0.75 270 -0.2401 0.5916 0.0406
0.85 222 0.312 0.5007 0.0465
0.85 234 0.0606 0.4872 0.0308
0.85 246 0.5314 0.4227 0.0675
0.85 258 -0.178 0.4354 0.0362